Dive Summary:

• Udacity's free online course, Logic and Discrete Mathematics, was due to begin in the summer but is no longer being offered as of last week. 
• Sebastian Thrun, founder of Udacity, said he didn't want to waste students' time with a low quality course. 
• According to Thrun, over 20,000 students signed up for the course and "a discrete math class" will be offered in the future. 

From the article: 

Udacity, a start-up company offering free online courses, last week canceled a course, “Logic and Discrete Mathematics,” that was due to begin this summer, saying the lectures and materials it had prepared on the topic did not live up to its quality standards. ...